The transition had been smooth for the accounting software, but for the JK 721, it was a death sentence. The machine sat silent, the power light blinking in confused mockery.
If the COM port number is 10 or higher, you may need to change it to a lower number (1-9) in the Advanced Port Settings for better software compatibility. Software Setup In your cutting software (e.g., Artcut, SignCut, or Refine MH/EH 721 as the device model. Jk 721 Cutting Plotter Driver Windows 10
: Right-click the downloaded ZIP folder and select Extract All . Run the Installer The transition had been smooth for the accounting